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(11)

EP 4 324 077 A1

(12)

(43) Date of publication: 21.02.2024 Bulletin 2024/08 (21) Application number: 22765795.4 (22) Date of filing: 16.08.2022

(51) International Patent Classification (IPC):  H02K 7/18(2006.01) H02J 3/38(2006.01) H02K 11/04(2016.01) H02K 1/14(2006.01) F03D 9/25(2016.01) H02K 16/04(2006.01) H02K 3/28(2006.01) (52) Cooperative Patent Classification (CPC): H02K 3/28; H02K 2213/12; H02K 2213/06; H02K 16/04; H02K 7/1838; F03D 9/25; H02J 3/381; H02K 7/1869; H02K 2201/15; H02K 1/148; H02K 11/04; H02J 3/0073; Y02E 10/72; Y02E 10/76 (86) International application number: PCT/EP2022/072834 (87) International publication number: WO 2023/030875 (09.03.2023 Gazette 2023/10)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 30.08.2021 EP 21193719 (71) Applicant: Siemens Gamesa Renewable Energy A/S 7330 Brande (DK)	(72) Inventors: GOLDENBAUM, Nikolaus 8680 Ry (DK) GROENDAHL, Erik 8653 Them (DK) RASMUSSEN, Brian 7323 Give (DK) THOMSEN, Thyge Skovbjerg 7400 Herning (DK) (74) Representative: SGRE-Association  Siemens Gamesa Renewable Energy GmbH & Co KG Schlierseestraße 28 81539 München 81539 München (DE)